Display screen or portion thereof with graphical user interface and icon



FIG. 1 is a front view of an embodiment of the claimed design of a display screen or portion thereof with a graphical user interface; and,

FIG. 2 is a front view of another embodiment of the claimed design of a display screen or portion thereof with an icon.

The outermost broken lines in the Figures illustrate a display screen or portion thereof and form no part of the claimed design. The other broken lines in the Figures illustrate portions of the graphical user interface and icon that form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with graphical user interface and icon, as shown and described. 